title: [Electrocardiographic sign of secondary atrial tumor presentation].
abstract: Two cases of intravital diagnosis of left atrial tumor secondary to lung cancer and esophagus cancer are presented. The myocardial alteration was caused by direct invasion of primary tumor. In both cases the PQ (PR) segment depression was found on ECG, which could reflect neoplastic lesion of the atrium. We proposed to consider this phenomenon as ECG marker of secondary atrial malignancies.
authors.affiliation: Irkutsk State Medical Academy for Continuing and Postgraduate education, mikrorayon Yubileynyy 100, 664049 Irkutsk, Russia.
authors.forename: K V
authors.initials: KV
authors.lastname: Protasov
authors.forename: T Iu
authors.initials: TIu
authors.lastname: Kolchina
authors.forename: A A
authors.initials: AA
authors.lastname: Barkhatova
authors.forename: O V
authors.initials: OV
authors.lastname: Larionova
authors.forename: M V
authors.initials: MV
authors.lastname: Sokol'nikov
authors.forename: V V
authors.initials: VV
authors.lastname: Dvornichenko
mesh_terms: D002294:Carcinoma, Squamous Cell / Q000175:diagnosis / Q000473:pathology; D004562:Electrocardiography / Q000379:methods*; D004938:Esophageal Neoplasms / Q000473:pathology*; D006325:Heart Atria / Q000473:pathology*; D006338:Heart Neoplasms / Q000175:diagnosis / Q000556:secondary; D006801:Humans; D008175:Lung Neoplasms / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D009361:Neoplasm Invasiveness; D009367:Neoplasm Staging; D013514:Surgical Procedures, Operative; D016896:Treatment Outcome